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Dive into the research topics where John Hen is active.

Publication


Featured researches published by John Hen.


Archive | 1990

Method of increasing retention of scale inhibitors in subterranean formations

John Hen


Archive | 1987

Method for scale and corrosion inhibition in a well penetrating a subterranean formation

Earl S. Snavely; John Hen


Archive | 1992

Synthesis of crystalline ultra-large pore oxide materials

David C. Calabro; John Hen


Archive | 1992

Inhibition of scale formation from oil well brines utilizing a slow release

John Hen


Archive | 1990

Dissolution of sulfate scales

John Hen


Archive | 1989

Sulfonate-containing polymer/polyanionic cellulose combination for high temperature/high pressure filtration control in water base drilling fluids

John Hen


Archive | 1991

Inhibition of scale formation from oil well brines utilizing a slow release composition

John Hen


Archive | 1987

Process for preparing ethylene-higher olefin copolymer oils with Ziegler-Natta catalyst in mixed aliphatic-aromatic solvent

John Hen


Archive | 1993

A method for the inhibition of scale deposition and composition therefor

John Hen


Archive | 1994

Method for placement of a scale inhibitor in a formation

Eleanor Roth Fieler; John Hen; Alfred R. Jennings

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